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Maximum Expression Codechef Solution

We Are Discuss About CODECHEF SOLUTION

Maximum Expression Codechef Solution

Maximum Expression Codechef Solution

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Problem

You are given a string S of length N, consisting of the digits 0-9 and the characters '+' and '-'. S represents a valid mathematical expression.

Rearrange the characters of S to form a valid mathematical expression such that the result obtained upon evaluating it is maximum.

If there are multiple possible answers, you may print any of them.

Note: A string S of length N is said to be a valid mathematical expression if the following hold:

  • The first character of¬†S¬†is not¬†+¬†or¬†-.
  • The last character of¬†S¬†is not¬†+¬†or¬†-.
  • Any¬†+¬†or¬†-¬†in¬†S¬†must not be adjacent¬†to another¬†+¬†or¬†-.

In particular, numbers are allowed to have leading zeros, and adding/subtracting zero is fine.

Input Format

  • The first line of input will contain a single integer¬†T, denoting the number of test cases.
  • Each test case consists of¬†2¬†lines of input.
    • The first line of each test case contains a single integer¬†N, denoting the size of the string.
    • The second line of each test case contains the string¬†S.

Output Format

For each test case, output on a new line the rearranged string giving the maximum value upon evaluation. If there are multiple possible answers, you may print any of them.

Constraints

  • 1 \leq T \leq 1000
  • 3 \leq N \leq 10^5
  • Each character of¬†S¬†is one of¬†\{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, +, -\}.
  • The sum of N across all test cases won’t exceed¬†1.5 \times 10^6.
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SOLUTION

Here Discuss About Two Maximum Expression Codechef Solution

SOLUTION

Maximum Expression Codechef Solution

SOLUTION

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